20802783213

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{64333}}^1$

素因数の和:64450

約数の個数: 48

約数和(自身を含む): 33186050560

約数和(自身を除く): 12383267347

約数列:

[1, 3, 9, 19, 31, 57, 61, 93, 171, 183, 279, 549, 589, 1159, 1767, 1891, 3477, 5301, 5673, 10431, 17019, 35929, 64333, 107787, 192999, 323361, 578997, 1222327, 1994323, 3666981, 3924313, 5982969, 11000943, 11772939, 17948907, 35318817, 37892137, 74561947, 113676411, 121653703, 223685841, 341029233, 364961109, 671057523, 1094883327, 2311420357, 6934261071, 20802783213]

約数ペア:

[(1, 20802783213), (3, 6934261071), (9, 2311420357), (19, 1094883327), (31, 671057523), (57, 364961109), (61, 341029233), (93, 223685841), (171, 121653703), (183, 113676411), (279, 74561947), (549, 37892137), (589, 35318817), (1159, 17948907), (1767, 11772939), (1891, 11000943), (3477, 5982969), (5301, 3924313), (5673, 3666981), (10431, 1994323), (17019, 1222327), (35929, 578997), (64333, 323361), (107787, 192999)]